Get the legacy documentation for Alipay products: API reference, code examples, technical documentation, and more.

 Online Payment

          Cross-border Website Payment

          Cross-border WAP Payment

          Cross-border In-app Payment

          Customs Declaration

In-store Payment    

          Barcode Payment

          Merchant QR Code Payment

          Transaction QR Code Payment

          Third-party QR Code Payment                            

AlipayHK              

          AlipayHK - PC2Mobile

          AlipayHK - WAP

          AlipayHK - SDK

          AlipayHK - Barcode

          AlipayHK - Merchant QR Code

          AlipayHK - Transaction QR Code

Service & Tools

          Sandbox

          Service Mocking

          iDiagnose

          iValidate

          Key Pair Generation and Validation

Others

          Integration Guide

          Digital Signature

          API Spec

          Release Notes

          Alipay logos